CN204731306U - A kind of test pencil of safe ready - Google Patents
A kind of test pencil of safe ready Download PDFInfo
- Publication number
- CN204731306U CN204731306U CN201520464312.8U CN201520464312U CN204731306U CN 204731306 U CN204731306 U CN 204731306U CN 201520464312 U CN201520464312 U CN 201520464312U CN 204731306 U CN204731306 U CN 204731306U
- Authority
- CN
- China
- Prior art keywords
- hand
- electrode block
- touched electrode
- penholder
- held housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The utility model discloses a kind of test pencil of safe ready, comprise hand-held housing and the metal penholder of transparent material, spring is provided with between described fixture block and hand touched electrode block, and spring housing is connected to the outside of hand touched electrode block, described metal penholder is actively plugged in the inner chamber bottom of hand-held housing, the outside surface bottom of described hand-held housing is run through and is provided with alternative expression switch, in the draw-in groove that the body of rod side that the extension of described alternative expression switch is connected in metal penholder is offered, the end face of described metal penholder and conductive pole electrical contact.The test pencil of this safe ready is by adding spring reset structure in hand touched electrode block part, avoid the damage that false touch causes electroprobe, use safer, snapping is carried out by adopting alternative expression Switch Controller metal penholder, make the dismounting of penholder convenient, the metal penholder of suitable shape can be changed during use according to use occasion, easy to use, simultaneously design for disassembly make to carry more convenient.
Description
Technical field
The utility model relates to electrical equipment technical field, is specially a kind of test pencil of safe ready.
Background technology
Test pencil is also test pencil, is called for short " electroprobe ".Be a kind of electrician tool, whether be chargedly used in test wires.There is a neon bulb in handwriting, if neon bulb is luminous during test, illustrate that wire has electricity or the live wire for path.Nib in test pencil, a tail, make for metal material, penholder is that insulating material is made.When using test pencil, the metallic member of test pencil tail end must be touched with hand, otherwise because electrified body, test pencil, human body and the earth do not form loop, the neon bulb in test pencil can not be luminous, causes erroneous judgement, think that electrified body is not charged.No matter external form is as what aufbauprinciple is substantially identical for test pencil, and its shell mostly is plastic insulation, and the inside is made up of metallic conductor, miniature bulb and resistance wire.Be filled with a kind of colourless inert gas (neon) in miniature bulb to excite at electric field and can produce the very strong ruddiness of transmission power down, when object is charged, rubescent with electroprobe test neon bulb, otherwise neon bulb does not work.Now conventional test pencil security is lower, easily false touch phenomenon occurs, and metal penholder is not easily changed, and can not meet the needs that various environment uses.
Utility model content
The purpose of this utility model is the test pencil providing a kind of safe ready, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of test pencil of safe ready, comprise hand-held housing and the metal penholder of transparent material, the top of described hand-held housing offers through hole, the inside of described through hole is connected with hand touched electrode block, described hand touched electrode block is T-shaped, and lower end is actively plugged in the inner chamber of hand-held housing, the two bottom sides of described hand touched electrode block is all provided with fixture block, spring is provided with between described fixture block and hand touched electrode block, and spring housing is connected to the outside of hand touched electrode block, the below of described hand touched electrode block is provided with neon bulb, the two ends up and down of described neon bulb are all provided with conducting strip, and leave gap between the lower surface of the top conducting strip of neon bulb and hand touched electrode block, the bottom conducting strip of described neon bulb is electrically connected with the current-limiting resistance be positioned at below neon bulb, the lower end of described current-limiting resistance is connected with conductive pole, described metal penholder is actively plugged in the inner chamber bottom of hand-held housing, the outside surface bottom of described hand-held housing is run through and is provided with alternative expression switch, in the draw-in groove that the body of rod side that the extension of described alternative expression switch is connected in metal penholder is offered, the end face of described metal penholder and conductive pole electrical contact.
Preferably, the outside surface of a body part of described metal penholder is socketed with insulating sleeve.
Preferably, the outside surface of described hand-held housing is provided with friction salient point.
Preferably, the tip of the brushstyle of a writing or painting part of described metal penholder is in-line, cruciform or clip like.
Compared with prior art, the beneficial effects of the utility model are: the test pencil of this safe ready is by adding spring reset structure in hand touched electrode block part, make hand touched electrode block to be depressed and could normally work with the conducting strip on neon bulb top in use, avoid the damage that false touch causes electroprobe, use safer, snapping is carried out by adopting alternative expression Switch Controller metal penholder, make the dismounting of penholder convenient, the metal penholder of suitable shape can be changed according to use occasion during use, easy to use, simultaneously design for disassembly make to carry more convenient.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1 hand-held housing, 2 metal penholders, 3 hand touched electrode blocks, 4 fixture blocks, 5 springs, 6 neon bulbs, 7 conducting strips, 8 current-limiting resistances, 9 conductive poles, 10 alternative expression switches, 11 insulating sleeves.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technical scheme: a kind of test pencil of safe ready, comprise the hand-held housing 1 of transparent material, metal penholder 2, hand touched electrode block 3, fixture block 4, spring 5, neon bulb 6, conducting strip 7, current-limiting resistance 8, conductive pole 9, alternative expression switch 10 and insulating sleeve 11, the top of hand-held housing 1 offers through hole, the outside surface of hand-held housing 1 is provided with friction salient point, avoid making test pencil landing from hand cause damage because appearance is too smooth, the inside of through hole is connected with hand touched electrode block 3, hand touched electrode block 3 is T-shaped, and lower end is actively plugged in the inner chamber of hand-held housing 1, the two bottom sides of hand touched electrode block 3 is all provided with fixture block 4, spring 5 is provided with between fixture block 4 and hand touched electrode block 3, and spring 5 is socketed on the outside of hand touched electrode block 3, the below of hand touched electrode block 3 is provided with neon bulb 6, the two ends up and down of neon bulb 6 are all provided with conducting strip 7, and leave gap between conducting strip 7 on neon bulb 6 top and the lower surface of hand touched electrode block 3, the conducting strip 7 of the bottom of neon bulb 6 is electrically connected with the current-limiting resistance 8 be positioned at below neon bulb 6, the lower end of current-limiting resistance 8 is connected with conductive pole 9, metal penholder 2 is actively plugged in the inner chamber bottom of hand-held housing 1, the outside surface bottom of hand-held housing 1 is run through and is provided with alternative expression switch 10, in the draw-in groove that the body of rod side that the extension of alternative expression switch 10 is connected in metal penholder 2 is offered, the end face of metal penholder 2 and conductive pole 9 electrical contact, the outside surface of a body part of metal penholder 2 is socketed with insulating sleeve 11, the tip of the brushstyle of a writing or painting part of metal penholder 2 is in-line, cruciform or clip like, make test pencil can be suitable for various environment for use.
Improvements of the present utility model are: the hand touched electrode block 3 of traditional employing pressing spring contact mode is modified into the pressing form with spring reset structure, hand touched electrode block 3 must be depressed and contact could normally work with the conducting strip 7 on neon bulb 6 top in use, avoid the damage that false touch causes electroprobe, use safer, snapping is carried out by adopting alternative expression switch 10 pairs of metal penholders 2, make the dismounting of penholder convenient, the metal penholder 2 of suitable shape can be changed according to use occasion during use, easy to use, simultaneously design for disassembly make to carry more convenient.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (4)
1. the test pencil of a safe ready, comprise hand-held housing (1) and the metal penholder (2) of transparent material, it is characterized in that: the top of described hand-held housing (1) offers through hole, the inside of described through hole is connected with hand touched electrode block (3), described hand touched electrode block (3) is T-shaped, and lower end is actively plugged in the inner chamber of hand-held housing (1), the two bottom sides of described hand touched electrode block (3) is all provided with fixture block (4), spring (5) is provided with between described fixture block (4) and hand touched electrode block (3), and spring (5) is socketed on the outside of hand touched electrode block (3), the below of described hand touched electrode block (3) is provided with neon bulb (6), the two ends up and down of described neon bulb (6) are all provided with conducting strip (7), and be positioned between the conducting strip (7) on neon bulb (6) top and the lower surface of hand touched electrode block (3) and leave gap, the conducting strip (7) of the bottom of described neon bulb (6) is electrically connected with the current-limiting resistance (8) being positioned at neon bulb (6) below, the lower end of described current-limiting resistance (8) is connected with conductive pole (9), described metal penholder (2) is actively plugged in the inner chamber bottom of hand-held housing (1), the outside surface bottom of described hand-held housing (1) is run through and is provided with alternative expression switch (10), in the draw-in groove that the body of rod side that the extension of described alternative expression switch (10) is connected in metal penholder (2) is offered, the end face of described metal penholder (2) and conductive pole (9) electrical contact.
2. the test pencil of a kind of safe ready according to claim 1, is characterized in that: the outside surface of a body part of described metal penholder (2) is socketed with insulating sleeve (11).
3. the test pencil of a kind of safe ready according to claim 1, is characterized in that: the outside surface of described hand-held housing (1) is provided with friction salient point.
4. the test pencil of a kind of safe ready according to claim 1, is characterized in that: the tip of the brushstyle of a writing or painting part of described metal penholder (2) is in-line, cruciform or clip like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520464312.8U CN204731306U (en) | 2015-06-30 | 2015-06-30 | A kind of test pencil of safe ready |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520464312.8U CN204731306U (en) | 2015-06-30 | 2015-06-30 | A kind of test pencil of safe ready |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204731306U true CN204731306U (en) | 2015-10-28 |
Family
ID=54389644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520464312.8U Expired - Fee Related CN204731306U (en) | 2015-06-30 | 2015-06-30 | A kind of test pencil of safe ready |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204731306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104921640A (en) * | 2015-06-29 | 2015-09-23 | 宁波丹龙电器制造有限公司 | Intelligent face cleaning instrument |
-
2015
- 2015-06-30 CN CN201520464312.8U patent/CN204731306U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104921640A (en) * | 2015-06-29 | 2015-09-23 | 宁波丹龙电器制造有限公司 | Intelligent face cleaning instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |